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Table of Contents
1. General Specifications
1.1 Overview........................................................................................................................ 1-2
1.2 Features.......................................................................................................................... 1-2
1.3 Block Diagram............................................................................................................... 1-4
1.4 Pin Description............................................................................................................... 1-5
1.4.1 Pin Assignments............................................................................................ 1-5
1.4.2 Pin Functions ................................................................................................ 1-7
2. CPU
2.1 Basic Specifications of CPU.......................................................................................... 2-2
2.2 Block Diagram............................................................................................................... 2-3
2.3 Programming Model ......................................................................................................2-4
2.3.1 CPU Registers ...............................................................................................2-4
2.3.2 Control Registers .......................................................................................... 2-7
2.4 Instructions................................................................................................................... 2-10
2.4.1 Addressing Modes ...................................................................................... 2-10
2.4.2 Data Types ..................................................................................................2-11
2.4.3 Instruction Set .............................................................................................2-12
2.5 Interrupts...................................................................................................................... 2-14
2.5.1 Overview of Interrupts ................................................................................2-14
2.5.2 Registers...................................................................................................... 2-15
2.5.3 Interrupt Types ............................................................................................2-18
2.5.4 Interrupt Definition .....................................................................................2-19
3. Extension Instruction Specifications
3.1 Operation Extension Function .......................................................................................3-2
3.2 Extension Instructions.................................................................................................... 3-3
3.2.1 Explanation of Notations ..............................................................................3-3
3.2.2 Extension Block Register Set........................................................................ 3-4
3.2.3 Extension Instruction Details ........................................................................3-5
3.2.4 Programming Notes ....................................................................................3-31
4. Memory Modes
4.1 Memory Mode Types and Selection.............................................................................. 4-2
4.2 Memory Mode Pin Processing....................................................................................... 4-3
4.3 Description of Memory Mode .......................................................................................4-4
4.3.1 Memory Extension Mode ............................................................................. 4-4
4.3.2 Processor Mode............................................................................................. 4-5